Self-adjusting suction regulator

Details Self-adjusting suction regulator Self-adjusting suction regulator

1990-08-29

1993-08-17

Green, Randall L.

Surgery

Means and methods for collecting body fluids or waste material

Aspiration collection container or trap

604317, 1375137, A61M 100

Patent

active

052364259

ABSTRACT:
A suction regulator is provided for a pleural drainage device which includes a spring-loaded valve which opens to atmosphere to maintain the appropriate suction levels in the pleural drainage device together with an air flow regulator which reduces the air flow to the drainage device when the suction level from the suction source exceeds a predetermined level. A tapered passageway is provided in the air flow path from the suction source to the pleural drainage device and a ball valve having an opening therethrough is slidably disposed within the tapered passageway so that when the air flow through the passageway increases, the ball valve rises to decrease the amount of air passing through the passageway.

REFERENCES:
patent: 564165 (1896-07-01), Stage
patent: 1144657 (1915-06-01), Keller
patent: 3363626 (1968-01-01), Bidwell
patent: 3937250 (1976-02-01), Golan et al.
patent: 4310016 (1982-01-01), Aubel
patent: 4605400 (1986-08-01), Kurtz et al.
patent: 4675011 (1987-06-01), Kurtz et al.

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